Spiral or helical staircases wrap around a centralized pole or point ... Although stairs and stairways are complete, pre-fabricated products, some applications require an analysis of stair components.

There are several types of stairs, including straight, floating, L-shaped, U-shaped, curved, spiral, and bifurcated. The three key elements to consider when deciding the kind of stairs for your ...

Treads and railing wrap around the stove ... At the intersection of the axis, there is a spiral staircase that winds around a chimney and offers a pleasant sitting area by the fireplace.